baber/WOPTO huggingface dataset:
Patent GB-345186-A (GB)
Title: Process of refining heavy spar
IPC: C09C1/02
Filed: 1930-07-21
Abstract: Raw heavy spar, if desired, after separation of quartz, shale, &c., is calcined at a high temperature, as 800 DEG -1200 DEG  C., whereby bitumen is burnt out, and is then treated with an acid, preferably hot hydrochloric acid, with or without the intervention of dry-cooling.  This dry-cooling may be effected in shaking troughs indirectly cooled by water.  The residue, after washing out most of the acid, may be treated with an alkali, preferably ammonia.  The Specification as open to inspection under Sect. 91 (3) (a) comprises also this alkali treatment applied to other processes of refining heavy spar.  This subject-matter does not appear in the Specification as accepted.
Patent GB-757661-A (GB)
Title: Production of monomeric vinyl chloride
IPC: C07C17/08
Filed: 1954-07-28
Abstract: A process for the production of vinyl chloride comprises reacting acetylene and hydrogen chloride in the vapour phase in an externally cooled tubular reactor containing a mercuric halide catalyst, the acetylene and hydrogen chloride being fed into the reactor at such rate to produce 25 to 90 lbs. per hour per ft.2 of catalyst cross-sectional area of vinyl chloride <PICT:0757661/IV(a)/1> while maintaining the temperature of the cooling medium about the reactor within 5 DEG  C. above or below the optimum temperature for the given rate of production of vinyl chloride as determined from Fig. 2 of the drawings.  The optimum temperature of the cooling medium is that at which the rate of movement of a hot spot (i.e. a zone in the catalyst bed that is hotter than the rest of the bed, situated in that part of the bed where the reaction occurs) along the catalyst bed is at a minimum.  The cooling medium, which may be water, oil, diphenyl oxide or ortho-dichlorobenzene, is circulated through a jacket round the tubular reactor.  An excess of acetylene or hydrogen chloride may be used.  The catalyst may be mercuric chloride or bromide, and is preferably a double salt of mercuric chloride and cerium chloride, and may be deposited on activated carbon, silica gel, activated alumina, asbestos, or diatomaceous earth.  U.S.A. Specifications 2,446,123 and 2,446,124 are referred to.
Patent GB-170661-A (GB)
Title: Improvements in or relating to stitch-separating machines
IPC: D05B81/00
Filed: 1920-07-23
Abstract: 170,661. Smith, J., Ricks, F., and British United Shoe Machinery Co., Ltd. July 23, 1920. Separating and indenting stitches. -For working- upon the tread face of a shoe, the shoe is held up to a fixed rest 5 and against an edge guide 9 and is supported by an arched support 21 having a pointed end 13<a> adapted to enter the crease between the sole and upper. The support 21 is hinged at 19 to a slide 11 pressed upwards by a spring 15 and is pressed outwardly by a spring plunger 25 until stops 29 engage the machine frame. The rest 5 extends forwardly at 33 on the rear side only of the in. denting tool 3. The tool 3 and the support 21 are heated by gas jets. The remainder of the machine is similar to that described in Specification 14041/95 and may be operated by the usual treadles 43, 45, Fig. 4. A treadle 47 is provided in place of, or in addition to the treadle 43 so that the operator may stand at the front of the machine.
Patent GB-727137-A (GB)
Title: Improvements in and relating to centrifugal separators
IPC: B04C9/00
Filed: 1951-09-20
Abstract: 727,137. Centrifugal separators. CHARD, S. P. (Goodwin, N.). Sept. 20, 1951, No. 22088/51. Class 23. Apparatus for separating or classifying particles contained in a liquid comprises a housing 11 and an impeller 43 within the housing and delivering material to be treated through a peripheral passage 65 to an unrestricted separating zone below the impeller. The material to be treated supplied by a pipe 19 passes through a chamber 26 and holes 29 to the interior of the housing. The impeller consists of a vaned disc 44 mounted on a tubular shaft 30 forming the outlet for the light particles from the separating zone. The light particles pass through radial passages 32 in the shaft to a chamber 27 having a discharge pipe 20. The heavy particles are discharged through an outlet 14a. In a modification (Fig. 2, not shown), the vanes extend beyond the periphery of the disc.
Patent GB-174102-A (GB)
Title: Improvements relating to the manufacture of flower pots, pipes and other hollow articles made of concrete
IPC: B28B1/48
Filed: 1920-07-23
Abstract: 174,102. Neuenschwander (nee Markmann), E. July 23, 1920. Moulding pipes and hollow articles; flower-pot and like machines; punching and perforating machines.-Concrete flower-pots, pipes, and other hollow articles are made by filling a mould and boring out the core or centre part. Machines for making flower-pots and pipes are shown in Figs. 9 and 10 respectively. Moulds a, Fig. 9, and u, Fig. 10, filled with lightly rammed concrete and provided with rings d, v, which determine the thickness of the finished article, are mounted on slides n and advanced towards a rotary spade-like boring-tool g. After boring, the mould a is removed from the holder, which consists of a frame and a disc f adjusted by a screw, and the interior and upper edge of the flower-pot smoothed by a tool p. The spindle r, Fig. 10, which carries the boring-tool is provided with a smoothing-ring s, which is slightly larger than the tool and presses and smooths the interior of the pipe and makes it water-tight, and with a worm t which removes the excavated material. The mould u is preferably made springy by providing it with a longitudinal slit and is looked by angle-irons x, Fig. 13, and eccentric levers y.
Patent GB-797195-A (GB)
Title: Buried sprinkler system
IPC: B05B15/65
Filed: 1955-08-03
Abstract: 797,195. Soil irrigation. SINGER, M. J., and SINGER, G. G. Aug. 3, 1955 [Feb. 28, 1955], No. 22271/55. Class 33. [Also in Group XXIX] A buried sprinkler system for soil irrigation comprises a flexible non-metallic horizontal conduit 10, a plurality of standpipes 17 screwed to conduit 10 in fluidtight manner and locked in the coupled position, and spray heads 18 carried by the stand-pipes and located at the surface of the earth. The conduit 10 is of square section made of a synthetic plastic, and for each stand-pipe has a nipple 25 passing through an aperture 31 and having a flange 27 with flats 28 engaging the side walls of conduit 10 to prevent relative rotation; a bracket 34 held in place by plate 39 strengthens the side walls. Each stand-pipe 17 is interiorly threaded at its lower end, and is screwed onto the upper part 26 of nipple 25, through bracket 34 and a locking plate 41 which can then be engaged in locking position by dimples 44 engaging recesses 45 in the bracket 34 ; a groove 24 enables the angular position of plate 41 to be adjusted relatively to the stand-pipe to enable the latter to be screwed down tightly. The conduit 10 being of flexible plastic, nipples 25 may be inserted from the outside through apertures 31 made with a heated punch, by heat softening the conduit. Metal junction pieces for providing conduit 10 with branches are described and illustrated, and the spray head 18 is adjustable (see Group XXIX). Specification 797,196 is referred to.
Patent GB-183061-A (GB)
Title: Vehicle wheels
IPC: B60B3/16
Filed: 1921-08-23
Abstract: 183,061. Marks, E. C. R., (Motor Wheel Corporation). Aug. 23, 1921. Disc wheels.- The periphery 9 of a concave member 7, secured to the wheel disc 4 and the hub 2, contacts with and yieldingly supports the disc 4. The wheel disc 4 is preferably of the type described in Specifications 180,945 and 181,272.
Patent GB-1418045-A (GB)
Title: Optical systems
IPC: G02B5/04
Filed: 1973-05-10
Abstract: 1418045 Vehicle optical observation device DONNELLY MIRRORS Inc 10 May 1973 [12 May 1972] 22398/73 Heading B7J [Also in Division G2] An optical unit 30 for increasing the field of view of a motor vehicle driver comprises a diverging Fresnel lens 32 adjacent a Fresnel prism 34 (Fig. 5). The unit may be applied directly to the rear window of a van or to the external rear view mirrors 180 and field glass of a periscope 150 on a car (Fig. 20). The unit may be mounted in a frame pivotally attached to the top edge of the rear window of a car, to the rear parcel shelf of a saloon car, to the tailgate of an estate car or to the rear corners of a van in the line of sight from the usual rear view mirrors. The unit may also be used to improve forward vision, e.g. on large construction vehicles such as earth movers.
Patent GB-358175-A (GB)
Title: Improvements in and relating to timing devices
IPC: G04F1/06
Filed: 1930-07-25
Abstract: 358,175. Timing devices. MARKS, BARON, 57, Lincoln's Inn Fields, London. -(Horn, J. A. L. ; 4, Avenue Edward VII, Shanghai, China.) July 25, 1930, No. 22455. Addition to 325,008, [Class 139, Watches &c.]. [Class 139.] Sandglasses.-The timing device of the parent Specification, in which the sandglass o v e r - balances to actuate a bell or electric switch, the time interval being adjustable, is modified in that the pivoted frame e 2 carrying the glass 1 is of sheet metal having bent-up ends 3, 4 which form springy clips to take various sizes of sandglass. The frame is pivoted at 6 to a U-shaped bracket 7 secured to the base 10, which latter is also stamped from sheet metal. The counterweight 8, used for adjusting the time interval, is a metal member shaped to slide within the turned-in sides of frame 2 and having a tongue 9 which frictionally grips the frame. Instead of sand, a liquid such as mercury may be used, the glass container being exhausted of air.
Patent GB-349371-A (GB)
Title: Improvements in or relating to the manufacture of rubber and the like
IPC: C08K5/13
Filed: 1930-07-25
Abstract: The ageing of rubber and the like is retarded by the addition to the mix of b -naphthol.  The use of b -naphthol is stated to cause less discolouration than other naphthols.  Specifications 142,083, 181,365, 269,745, [all in Class 70, Indiarubber &c.], 288,171, [Class 2 (iii), Dyes, &c.], and 342,502 are referred to.
Patent GB-1099942-A (GB)
Title: An improved textile process for producing permanently kinked thermoplastic yarns and apparatus therefor
Inventor: MCKEE WILLIAM JOHN
IPC: D02G1/14
Filed: 1965-05-27
Abstract: 1,099,942. Crimping yarns. CYRIL LORD CARPETS Ltd. May 4, 1966 (May 27, 1965], No. 22519/65. Headings D1F and D1L. A yarn 1 wholly or partly of thermoplastic components is fed between interengaging parts such as blades P and a toothed belt 6, heated as it is deformed into kinked form and allowed to remain in a kinked state, e.g. on belt 6 until it has cooled and permanently set. As shown blades P are radially slidably mounted in a rotating drum 12 and are caused to project by cams to engage the recesses in belt 6; the blades P are heated in their rotation by heating means 15. The yarn approaching the kinking parts passes about a rubber 2 and then along a surface 3 down which water flows from a container 7. Upon being heated by blades P the water is converted to steam and the yarn steam treated. If the yarn is not forwarded through the machine roller 2 is moved to lift the yarn from the water on surface 3 and heater 15 is retracted. The kinked yarn from the apparatus may be fed directly to a carpet or fabric forming machine.
Patent GB-208577-A (GB)
Title: Electric governor for prime movers
IPC: H02P9/00
Filed: 1922-08-18
Abstract: 208,577. Railing, A. H., Kahn, M. L., and Jakeman, R. G. Aug. 18, 1922. Travelling a fixed distance.-A motor M set in motion by a solenoid S and a regulator R<1> is stopped by the action of a second regulator R<2>, the arm L<1> of which is moved by the motor.
Patent GB-1306515-A (GB)
Title: Track brake assembly
IPC: B61K7/00
Filed: 1970-05-11
Abstract: 1306515 Track brakes AUGUST THYSSEN-HUTTE AG 11 May 1970 [23 May 1969 9 Dec 1969] 22651/70 Heading F2E [Also in Division E1] In a track brake in which a wheel 2 having a flange portion 3 engaging a supporting surface 13 of a steel track 5 is retarded by moving a rubber rail 1 into engagement with it, the wheel is guided, when the brake is in the operative or inoperative position by an inclined surface 9 of a guide which may form part of the rail 5 itself or may be an insert 10 bolted to the rail in a channel in the rail. When the wheel negotiates a curve in the track, the point of contact of flange 3 and surface 9 of insert 10 is elevated. The inclined surface 9 may form an angle with the vertical in the range 2 to 60 degrees.
Patent GB-729197-A (GB)
Title: Improvements in or relating to apparatus for use in the fluid treatment of thread packages
IPC: D01D10/04
Filed: 1953-08-17
Abstract: <PICT:0729197/IV (c)/1> <PICT:0729197/IV (c)/2> In an apparatus for the fluid treatment of vertically stacked hollow cakes of textile thread in which the treatment fluid is applied to an orifice at the bottom of the stack, the top of the stack is sealed by a means which is automatically responsive to the pressure of the fluid.  Figs. 1 and 3 show an apparatus for treating vertically stacked hollow cakes of thread 1 which are mounted between pillars 4 and 5 upon a perforated base plate and have rings 6 between the separate cakes. The uppermost cake 1 is covered by a movable lid 2 which is rigidly connected to an elastically deformable member 3 which may be made, for example of metal, synthetic material or strengthened soft rubber. A bell-shaped casing 9 is fitted over the expansion member 3 and is positioned by a rod 11 which slides inside an axial bore 12 in the lid 2 so that the lid 2 will be raised and lowered and the expansion member 3 deformed under the action of pressure differences between the air which has been compressed in casing 9 by the pressurizing of fluid in chamber 15 and the treatment fluid introduced under pressure into the column of thread packages at its base, respectively.  The expansion member 3 has associated with it a ring 7 thus causing it to have an effective diameter greater than that of the column of thread cakes so that normally the lid 2 will be forced against the top of the column, and the sealing of the column is constantly ensured.  If at the termination of the treatment, the treatment liquid is drained off, for example via cock 16, the liquid level in the pressure chamber 15 falls, the air pressure in casing 9 is reduced, and lid 2 is raised so that the column of packages 1 may be dismantled. Either gas or liquid treatment may be effected.  Specification 623,620 is referred to.  In a modification, Fig. 2, not shown, the expansion member is constructed as a bellows.
Patent GB-671428-A (GB)
Title: Improved handling device for transporting articles
IPC: B66C1/24
Filed: 1949-09-01
Abstract: 671,428. Cradles for load engaging and lifting. COMPAGNIE UNIVERSELLE D' ACETYLENE & D'ELECTRO-METALLURGIE, GAMET, G. A. M., and BROMET, L. J. N. Sept. 1, 1949. [Jan. 19. 1949; May 24, 1949] Nos. 22720/49 and 22721/49. Class 78 (iv). A handling device adapted to lift simultaneously a plurality of similar cylindrical objects, such as barrels, with their axes horizontal, comprises a frame to which is secured substantially at right angles a plugrality of fingers arranged in two lines meeting at 120 degrees and which is provided with a bracket or the like by which it may be suspended from a lifting hook. Fingers 2 secured to a vertical frame 1 are arranged in two lines meeting at 120 degrees to engage and lift a stack of cylindrical articles 3. A bracket 4 for engagement by a lifting hook lies vertically above the centre of gravity of the device when loaded and resting on the ground. The fingers 2 may be shaped to conform with the articles to be handled, and may be adjustably and removably secured to the frame to enable their spacing to be altered to suit the articles handled. The Specification, as open to inspection under Sect. 91, comprises also devices for lifting barrels and objects of like shape with their axes vertical and for lifting objects of other shapes. For these purposes the fingers may be arranged in a single horizontal line and may be shaped in section to conform with the objects lifted. This subject-matter does not appear in the Specification as accepted.
Patent GB-843020-A (GB)
Title: Improvements in or relating to centrifugal driers
Inventor: LEPOUTRE RAYMOND MARIE MAURICE
IPC: B04B9/00
Filed: 1957-07-18
Abstract: 843,020. Centrifugal hydro-extractors. SOC. DES. RAFFINERIES ET SUCRERIES SAY. July 18, 1957, No. 22800/57. Class 34(2) A motor-driven centrifugal drier has auxiliary power means to supplement the motor power when necessary. As shown, a basket 1 is suspended by a shaft 2 connected to an electric motor 20. The rotor of a hydraulic device 22 is releasably coupled to the motor 20 the inlet and outlet of the device being connected through a distributer 23 to an accumulator 26 and a tank 25. Motor coupling 17a, 17b and members 15, 15a allow the shaft 2 to oscillate whilst rotating. Material to be dried is fed to a distributer 12 from a container 10 by a pump 11, the feed arrangement being described in Specification 817,197. A hydraulically-controlled basket scraper arrangement 5, 5a, 5b, 5c, and a control for lifting a cone 1a covering a discharge opening in the basket is mounted on a member 8 through which the shaft 2 passes. Such a member, its connections to cone 1a and shaft 2 and its retention against moving with the shaft is described in Specification 836,224. A brake 13, which may be automatically controlled, is provided. To start the drier, the device 22 is driven by the accumulator 26 and the feed pump 11 operated. The motor 20 is switched on until extracting speed is reached when the device 22 is uncoupled. To slow up the basket the motor 20 is switched off and the accumulator and tank connections to the device 22 so arranged that the latter acts as a pump. At discharge speed the distributer 23 is again operated to enable the device 22 to motor and thus rotate the basket slowly with high torque, The cone 1a is then lifted and the scraper actuated.
Patent GB-736072-A (GB)
Title: Improvements in or relating to desulfurization of heavy petroleum fractions
IPC: B01J27/06
Filed: 1951-10-01
Abstract: Petroleum fractions boiling above 650 DEG  F. such as reduced crudes and residua or petrolatum are desulphurized by hydrogenating at 300-800 DEG  F. and 100-5000 p.s.i. in the presence of stannic chloride, titanium chloride, boron fluoride or a complex of boron fluoride with an alcohol ester, ether or water dissolved in said fraction, the temperature and pressure being such that no substantial cracking occurs.  With boron fluoride or its complexes, 1-50 per cent by weight of BF3 based on the feed is preferably used.  With the other halides, the amount is generally 2-20 per cent and 1-15 per cent hydrogen halide promoters may be added.  The hydrocarbon and catalyst may be fed counter-current to the hydrogen-containing gas, the liquid product being settled, scrubbed, and fractionated to give naphtha, gas and heating oils while the residue may be recycled. Gaseous products may be cooled to condense liquids and in part recycled and purged. The settled solids are treated with chlorine or, in the case of boron fluoride catalysts, with hydrogen fluoride to recover catalyst for recycle.  The hydrocarbon feed may be pretreated with hydrogen in the absence of a catalyst.  Specifications 301,395, [Class 32], 406,963 and 438,084 are referred to.
Patent GB-1517654-A (GB)
Title: Time-recording device
IPC: G07C1/00
Filed: 1977-06-02
Abstract: 1517654 Time-recording apparatus RIDGEWOOD TECHNICAL SERVICES Ltd 2 June 1977 [2 June 1976] 22827/76 Heading G1J A recorder for recording the times taken by operators to complete operations comprises a drum 4, rotated by an electric or clockwork motor, for supporting a record strip 7 and moving it past a row of writing members 16, and a set of keys or buttons 14 each arranged, when depressed, to cause a respective writing member 16 to mark the strip 7. The buttons 14 when pushed remain depressed until pushed a second time. The writing members 16 may be hard points to mark pressuresensitive paper, or pens, a member 16 marking the strip 7 for as long as its button is depressed so that the length of the trace corresponds to the time taken for the operation. The recorder is portable and is housed in a casing 1 which locks on to a base 2 and has a carrying handle 17. A removable cover 18 covers the array of buttons 14. A sliding window 20 adjacent the drum enables notes to be written on the strip 7.
Patent GB-299944-A (GB)
Title: Improvements relating to internal combustion engines
IPC: F02B23/00
Filed: 1927-08-31
Abstract: 299,944. Morris Motors (1926). Ltd., Woollard, F. G., and Pendrell, A. G. Aug. 31, 1927. Milling ; milling-cutters.-A combustion chamber for an internal-combustion engine cylinder head is formed by a rotary milling-cutter h having a spherical end and tapering sides, relative angular movement in a plane, about the point i of intersection of the axes of the overhead valves, being provided between the outter and the cylinder head. The shape and movement of the cutter are such that the combustion chamber has semicylindrical ends a and substantially parallel sides b.
Patent GB-726397-A (GB)
Title: Improvements in and relating to controlling the speed of motors
Inventor: CUTLER ALBERT ERNEST
IPC: G01P7/00
Filed: 1953-08-18
Abstract: 726,397. Electric analogue calculating systems. COMMUNICATIONS PATENTS, Ltd. Aug. 19, 1953, No. 22899/53. Class 37. [Also in Group XXXVII] Relates to a system in which the speed of a motor, such as an electric motor, is made to vary as the reciprocal of a variable quantity, with special reference to means for obtaining electric signals pertaining to computing. As shown, a two-phase motor 16 drives a generator 17 and is coupled through gearing to the wiper of a drum-type linear potentiometer 19, across which an alternating potential of steady peak amplitude is applied. The output of the potentiometer thus represents the time integral of the function represented by the speed of the motor. A first signal voltage is received at terminal 3, is amplified at 15, and is then applied to a field winding of the motor 16 which has another field winding connected to a source of alternating voltage of steady amplitude and quadrature phase. A second signal voltage is applied at terminal 4 which is connected to an amplifier 20 having a field winding 21 of the generator 17 in its output circuit. A feed-back voltage, developed in a field winding 22 of the generator, is proportional to the second signal voltage and to the speed of the motor shaft. This feed-back voltage opposes the signal voltage from terminal 3, and the motor accelerates until the difference voltage is very small, the motor speed then being proportional to the ratio between the first and second signal voltages applied at terminals 3 and 4. Thus, the potentiometer 19 provides an output signal representing the time integral of the ratio between the input signal voltages. If the output of the potentiometer is required to be a function of this integral, for example its sine, the linear potentiometer 19 is replaced by one which is suitably contoured.
Patent GB-168234-A (GB)
Title: An improved milking machine teat cup
IPC: A01J5/08
Filed: 1920-08-03
Abstract: 168,234. Ridd Co., Ltd., and Ridd, A. Aug. 3, 1920. Cow-milkers. - A milking- machine teat-cup of the kind described in Specification 163,818 comprises a flexible lining D secured at the top to an outer casing A the walls of the lining increasing in thickness towards the lower end and being furnished with three inwardly projecting equidistant ribs E, and the lower end of the lining being drawn downwardly by means of the milk-nipple H. The head H<1> of the nipple H engages within the lining, and the stem is threaded to engage with a sleeve nut J which forms the milk pipe connection and having a head J<1> which abuts against the base of the casing, a rubber washer K being placed between. The top of the lining is stretched by the mouthpiece G so as to engage with a shoulder- C on the casing.